feat: Add new methods doubleClick and scrollIntoView

[jperals]

• Add two new methods so that they can be used everywhere without duplication
• Added tests for the new two methods
• Refactor tests so that methods belonging to the base page object are tested for this class and not for child classes

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[jperals]

Besides the tests for the two new methods, the rest are moved from screenshot-page-object.test.ts.

I think it makes more sense to test them on the base class (which is used directly in many integration tests) than on child classes.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.15%. Comparing base (0ff0098) to head (d296dac).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #243      +/-   ##
==========================================
+ Coverage   93.06%   93.15%   +0.08%     
==========================================
  Files          20       20              
  Lines         476      482       +6     
  Branches       84       84              
==========================================
+ Hits          443      449       +6     
  Misses         29       29              
  Partials        4        4              

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